Bulletin of the American Physical Society
71st Annual Meeting of the APS Division of Fluid Dynamics
Volume 63, Number 13
Sunday–Tuesday, November 18–20, 2018; Atlanta, Georgia
Session M19: Biological Fluid Dynamics: Flying Insects
8:00 AM–10:10 AM,
Tuesday, November 20, 2018
Georgia World Congress Center
Room: B306
Chair: Laura Miller, University of North Carolina at Chapel Hill
Abstract ID: BAPS.2018.DFD.M19.8
Abstract: M19.00008 : On the Backward Flight of a Cicada: Kinematics and Aerodynamics.*
9:31 AM–9:44 AM
Presenter:
Ayodeji T Bode-Oke
(Univ of Virginia)
Authors:
Ayodeji T Bode-Oke
(Univ of Virginia)
Haibo Dong
(Univ of Virginia)
Cicadas are more known for their interesting life cycles and sound production. However, their flight capabilities are underestimated. Cicadas may serve as models for Micro-Aerial Vehicle (MAV) design because of their ability to carry a large payload (in the form of body mass). Thus, their flight physics deserves attention. Currently, most insect flight studies focus on forward and turning flight. In this work, however, we focus on the backward flight of a cicada. Using a combination of high-speed photogrammetry and 3D surface reconstruction techniques, we extract details of both the wing and body motions. We compute the flight forces and flow features using a computational fluid dynamics (CFD) solver. Furthermore, we examine the coordination of the wing and body kinematics in relation to force production to uncover the techniques of backward flight. Finally, we compare our findings with other flight maneuvers in the existing literature. Our results offer new insights into the physics of flight.
*This work is fully supported by the National Science Foundation [grant number CBET-1313217] and partially supported by ONR MURI [grant numberĀ N00014-14-1-0533]
To cite this abstract, use the following reference: http://meetings.aps.org/link/BAPS.2018.DFD.M19.8
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